Minor changes

echor 0.1.2

New functions

Updated functions

echoGetEffluent() uses a different API call to returns a flat dmr report (one plant at a time). Existing arguments remain the same and still returns a dataframe. (closes #37)

echor 0.1.1

Single function returns air and water data; echoGetFacilities() and echoGetReports() wrap the individual functions to streamline functions that users need to be familiar with. (closes #33)

Added echoWaterGetMeta() and echoAirGetMeta() functions to retrieve column metadata returned by echoWaterGetFacilityInfo() and echoAirGetFacilityInfo(); specify columns returned by respective functions by including qcolumns argument in respective functions. (closes #28).